Circuit Protection

Circuit Protection
Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more. 
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Please view our selection of circuit protection devices below.
Results: 362,093
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 12,660In Stock
Min.: 1
Mult.: 1
: 15,000
TDK NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm 2,194In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 4,138In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 13V BI SOD-123FL TR13 6,082In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,64V 5%,UNIDIR,SMA TVS 1,435In Stock
Min.: 1
Mult.: 1
: 1,800

Vishay ESD Protection Diodes / TVS Diodes 600W,68V 5%, SlimSMA BIDIR TVS 3,248In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes 600W,20V 5%, SlimSMA BIDIR TVS 3,027In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS 3,294In Stock
Min.: 1
Mult.: 1
: 3,500

Panjit ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 3,100In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 15,142In Stock
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 24V BI 12,998In Stock
Min.: 1
Mult.: 1
: 15,000
Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 923In Stock
Min.: 1
Mult.: 1
: 500


Semtech ESD Protection Diodes / TVS Diodes uClamp 1-Line ESD & Surge Protection 14,423In Stock
Min.: 1
Mult.: 1
: 15,000

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34,620In Stock
Min.: 1
Mult.: 1
: 10,000

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220 Ins 995In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses SMD Fuse. Fast Acting, 5A, 500Vdc 1,659In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,146In Stock
Min.: 1
Mult.: 1
: 800

Vishay / BC Components PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms 21,267In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A81-A350X 16,545In Stock
Min.: 1
Mult.: 1



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V 1,573In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V 1,965In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V 1,682In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 400V 1,865In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 33V Bi DO-214AB TR13 3,560In Stock
Min.: 1
Mult.: 1
: 2,500